Insect pests: There are small green ticks and tawny night bugs.
Control methods: spray with 2.5% of deltamethrin 2.500 times.
Diseases: Blight, anthrax hazards.
Control method: Can be sprayed with 65% zeocin zinc wettable powder 500 times liquid.
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1. Heritability: Heritability is relatively high (35-50%), and gilts are not selected for those mothers who have had a late puberty;
2. Ammonia levels: Studies have shown that high concentrations of ammonia (20-35ppm) will postpone estrus, so should reduce the concentration of ammo…
Many people like to buy their own or the old brands and models that the company used to use. They think that although the new products look good and the performance is very good, but after all, the old models have been used, it is more secure. A f…
1, choose high-yield and high-quality varieties
(1) High yields: Changbai 9 (Kyrgyz 89-45), Changbai 10 (Jifong 8) and Nongda 12 etc. (2) High quality and high yield: Kyrgyzstan 98-122, Kyrgyzstan 88 (super rice) and Bai-122. (3) The preferred varietie…
Autumn delayed green cauliflower varieties can be selected for early maturing varieties suitable for autumn, such as green, green, green balls, etc., but also can choose to use late-maturing varieties, such as the Green King, Green Ridge and so on.
What are the ways to regulate water quality?
The key to fish farming in ponds is the regulation of water quality. Insufficient water sources, inconvenient irrigation and drainage, and ponds with thicker silt are particularly important. In order to prevent pond water agi…At the age of 26 weeks, healthy individuals were selected and fed as a 1-cage with 1 male and 3 females. Set 1 to 2 rows of nests in the dark corner of the cage. The height and width of the box are 40 cm and 45 cm respectively, and the length is not limited. The grass is covered with grass…
After a fish becomes ill, the right medicine can only be cured. However, some fishes have similar illnesses. If they cannot be distinguished correctly, they will lose the opportunity for treatment. Several kinds of ambiguous fish disease differentiation methods are introduced as follows fo…
In the late period of apple growth, when the fruit is rapidly inflated and near maturity, a large number of physiological fruit drop often occurs, which reduces the commercial quality of the fruit and reduces income. To prevent or reduce physiological fruit loss, the following measures can…